-40%
High-voltage impulse DC 12 to 30kV coil transformer spark generator NOS
$ 16.44
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Description
High-voltage coil by datasheet needs DC 12V on first coil to ignite approx 30kV on secondary.It have built-in circuit-breaker relay that allows to make impulses of HV on secondary coil, so you can just plug 12V battery and go on! Maybe can connect more voltage, but I havent make experiments with that.
Actually its very old designed automobile coil from Kamaz, Ural - but can be used for gas boiler or DIY, tesla-coil projects etc.
Look photo - I have draw some scheme how it works.